.flex-c{
  display: -webkit-flex; /* Safari */
  display: flex;
  flex-direction: column;
}
.flex1{
  -webkit-box-flex: 1;
  flex: 1;
  overflow-y: auto;
  box-sizing: border-box;
}

.flex-r{
  display: -webkit-flex; /* Safari */
  display: flex;
  flex-direction: row;
}
.hp100{
  height: 100%;
}
.flex-row{
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
}
.flex-row-2{
  display: flex;
  flex-direction: row;
  align-items: center;
}